<head>
    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/>
    <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1.0"/>
    {% case page.url %}
      {% when "/", "/en" %}
        <title>{{ site.title | escape }}</title>
      {% else %}
        <title>{% if page.title %}{{ page.title | append: " | " | append: site.title | escape }}{% else %}{{ site.title | escape }}{% endif %}</title>
    {% endcase %}
    <meta name="description" content="{{ page.excerpt | default: site.description | strip_html | normalize_whitespace | truncate: 160 | escape }}" />

    <link href="https://fonts.googleapis.com/icon?family=Material+Icons" rel="stylesheet">
    <link rel="stylesheet" type="text/css" media="screen,projection" href="{{ "/assets/lightbox.min.css" | relative_url }}">
    <link rel="stylesheet" type="text/css" media="screen,projection" href="{{ "/assets/main.css" | relative_url }}">

	<link rel="icon" href="{{ "/favicon.ico" | relative_url }}" sizes="any">
	<link rel="apple-touch-icon" href="{{ "/apple-touch-icon.png" | relative_url }}">
	<link rel="manifest" href="{{ "/manifest.webmanifest" | relative_url }}">

    <link rel="canonical" href="{{ page.url | replace:'index.html','' | absolute_url }}" />
    <link rel="alternate" type="application/rss+xml" title="{{ site.title | escape }}" href="{{ "/feed.xml" | relative_url }}" />

    {% include twitter_card.html %}

</head>
